Mold for casting.



t)t)t,t4tt5. MOLD FOR CASTING, E prises a head consisting of a rim portion 1, l). loaTna, assillon, ()hio. Original ap- P a spider p f Conslsimg of a hub Pf plication filed Apr. 21, 1910, Serial No. nd spider arms or spokes 3. the 556.875. Divided and this application hcllds are Pmted P and Oct. 10, 1910. Serial No. 586,190. l y of mic/Preset ra b In whom it may concern: i said tread bars or pipes having their ends lie it known that I, Emvm E. Poa'rsa, a provliled anchor ol'lmmgs i m citizcn of the United States, residing at the portions t g l l' Mnssillon, in the county of Stark and State i' K105i clearly m I l'. i":

of Ohio, have invented certain new and usei l 0r 0 ful lmprovements in Molds for Casting, of t g "H it'll which the following is a specification. 1 permanen {no we 1 3 My invention relates to an impmved 3 i of the drawings may be prov ded, said mold method of m, ,ulverizin u and i consisting of suitable metall c material and g or w g l mqgngq provided on its face side with an annular 'lhe prnnary ob]cct of the invention is to recess conformmg ("Mme i iprovide a generally improvcdmethod and I W L qesli'cd for mm tmold for use in the manufacture of this class 8," i g .lccesstbemg\ P T l: 1 f articles whereby the cast heads or ends a y Prov a i pulpm and conmcflng bars such for exampe with a plurality or series of suitably spaced 3 in end bars of ,hvcrizing mus, be recesses I, to receive the ends of the tread :economically cast y means of an improved or bars prepamtory to (sung the mold adapted to receive and pro erly sup- 2: f f t I port the ends of the tread bars uring tie S or 9 3 operation of casting the heads, and the proo S 3"?)"3 L f." vision of anchor openings in the ends of the the M lcccss 3 ptowdod bars adapted to be embedded in or covered beveled. flnrmg pomm i by the metal of the ham] 5 oust inner periphery and as a means for permit- The invomion is particularly nppucable I, ting tie molten metal \\'lnle being poured for use in casting pulverizing rolls such as into the mold to enter into the ends of the disclosed in in application for Letters Pab or bill's to i ii em med Aprirgl, 1910 serial 556,875, choroopemngs o, as illustrated in ll. 5. 1,

of which this application is a divisional "7 of i or m 9 1. mm n fill said openings as 1lh|strated 1n Pig. 3, of

r n I have shown in the accompanying the drawings, an Hlltt' opening may be drawings the application of the invention m l by t! for use in the manufacture of pnlverizing if mo or -Y 5 m rolls or roll sections, it is of course obvious i l t-i' 51ml l f l"" that the improved method and mold may be t f"? g. 8 d il readily adapted for use in the manufacture y mums o F 0 l of other or amflognus cflstingla studs 9, adaptet to engage a portion of the Referring to m accompanying drmvings, end of each bar and elevate t to same so as forming' a part of this specification, Figure to i mlet' News Olwnmg 1, is an end view, partly in section, of a por- 2 a gi E a end cnch to ,tlOh of a pulverizlng roll, such as may be i owe! l "2 rems 1 produced in accordance with my invention. .smwn most c y m of the ig. 2, a similar view of a modified form of m t d b t h same. Fig.3,as1de elevation part] in sec- 1d en 9 5 m t o 7 tion, of one of the head or en portions of a mo P' to sung t e head of the roll cast in accordance with my inve ti n, trail, a wire 11, may be p \ssed through the I F l'l,' 4, a top plan view of a form of permni u r 9' f, A i t? i nent mold constructed in accordance with 9. O i w fl "l my inwmim ml mhmml "so i" unsung I: n 0 sun wue, a plulanty o anchot pins 1mm (ml "f mlwriyhg m" Fig 1.2, maiv he inserted in said anchor openings 4, n #(ttlnhfll view 02 a portion of the nn- ",H l d l i 4' g proved permanent. moh illustrating the i f." fh method of casting, as well as the manner of cum m or lust m the Hm of golfing up he ham mph for mm the. heads in any suitable am convenient .ple,-as pipe-bars, preparatory to casting 'fi jl" I l 1 l f the heads of the improved pulverizing roll. 0

Similm, numerals of [Ti-(Me (lush-"mm bodnnents of my invention, and a means {or like puns throughout n" he mum of Hm marrying the same into etl'ect, what I claim dmwin q iand desire to secure by Letters latent. is.-- The lmwovcd mheriyinnmn of 1. mold for casting pulverizmg rolls, 1 t l l P comprising a permanent mold havin" a rm"- 5 man In the accompanying drawings coln- {shaped recess provided on its inner periphery with a flaring portion and a bar sugportmg portion adapted to elevate the en 5 0t the tread bars when seated in said recess i preparatory to casting.

up 1 and a bar supporting portion at t 1e bottom the tread bars when seated in said receiving comprising a permanent mold having a ring-shaped recess spaced rece ses to receive the ends of the nent mold having an annular recess pro- .2. A mold for casting pulverizing rolls, 1

i-comprising a permanent mold having a t ring-shaped recess-provided on its outer peery with trea bar reccivin recesses of said recess adapted to elevate the ends of recesses preparatory to casting.

3. A mold for casting pulverizing rolls,

rovided on its outer periphery with tlOlH bar receivin recesses and a plurality of bar su porting studs adapted to elevate the ends 0 the tread bars when seated in said receiving recesses preparatory to casting.

4. A mold for casting rolls and analogous castings, comprising a ring-shaped permavided at its outer periphery with a series of tread pipes preparatory to casting and having a flaring portion about its inner periphery to provide for the contraction of the ring-shaped casting while cooling.

In testimony whereof I have aliixed my signature, in presence of witnesses.

EDWIN E. PORTER.

Witnesses:

FRANK R. Bmussasm, O. C. BILLMAN. 

